| 释义 |
硒xī非金属元素,符号Se(selenium)。灰黑色晶体或红色无定形粉末。晶体硒能够导电,导电能力随光照强度的增减而改变。用来制造光电池等,也是一种半导体材料。{selenium (Se); non-metal element in the form of greyish black crystal or red amorphous powder that is electric-conductive and whose conductivity varies with changes in light intensity, used for the making of optoelectronic cells and also as a semi-conductive material} |